content: // Protocol Buffers - Google's data interchange format
  // Copyright 2008 Google Inc.  All rights reserved.
  // https://developers.google.com/protocol-buffers/
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  // copyright notice, this list of conditions and the following disclaimer
  // in the documentation and/or other materials provided with the
  // distribution.
  //     * Neither the name of Google Inc. nor the names of its
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  package com.google.protobuf;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.InputStream;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  import java.io.UnsupportedEncodingException;
  
  /**
   * This class tests {@link BoundedByteString}, which extends {@link LiteralByteString},
   * by inheriting the tests from {@link LiteralByteStringTest}.  The only method which
   * is strange enough that it needs to be overridden here is {@link #testToString()}.
   *
   * @author carlanton@google.com (Carl Haverl)
   */
  public class BoundedByteStringTest extends LiteralByteStringTest {
  
    @Override
    protected void setUp() throws Exception {
      classUnderTest = "BoundedByteString";
      byte[] sourceBytes = ByteStringTest.getTestBytes(2341, 11337766L);
      int from = 100;
      int to = sourceBytes.length - 100;
      stringUnderTest = ByteString.copyFrom(sourceBytes).substring(from, to);
      referenceBytes = new byte[to - from];
      System.arraycopy(sourceBytes, from, referenceBytes, 0, to - from);
      expectedHashCode = 727575887;
    }
  
    @Override
    public void testToString() throws UnsupportedEncodingException {
      String testString = "I love unicode \u1234\u5678 characters";
      ByteString unicode = ByteString.wrap(testString.getBytes(Internal.UTF_8));
      ByteString chopped = unicode.substring(2, unicode.size() - 6);
      assertEquals(classUnderTest + ".substring() must have the expected type",
          classUnderTest, getActualClassName(chopped));
  
      String roundTripString = chopped.toString(UTF_8);
      assertEquals(classUnderTest + " unicode bytes must match",
          testString.substring(2, testString.length() - 6), roundTripString);
    }
  
    @Override
    public void testCharsetToString() {
      String testString = "I love unicode \u1234\u5678 characters";
      ByteString unicode = ByteString.wrap(testString.getBytes(Internal.UTF_8));
      ByteString chopped = unicode.substring(2, unicode.size() - 6);
      assertEquals(classUnderTest + ".substring() must have the expected type",
          classUnderTest, getActualClassName(chopped));
  
      String roundTripString = chopped.toString(Internal.UTF_8);
      assertEquals(classUnderTest + " unicode bytes must match",
          testString.substring(2, testString.length() - 6), roundTripString);
    }
  
    @Override
    public void testJavaSerialization() throws Exception {
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      ObjectOutputStream oos = new ObjectOutputStream(out);
      oos.writeObject(stringUnderTest);
      oos.close();
      byte[] pickled = out.toByteArray();
      InputStream in = new ByteArrayInputStream(pickled);
      ObjectInputStream ois = new ObjectInputStream(in);
      Object o = ois.readObject();
      assertTrue("Didn't get a ByteString back", o instanceof ByteString);
      assertEquals("Should get an equal ByteString back", stringUnderTest, o);
    }
  }
  